The Indian stock market on August 21, 2025, with Sensex and Nifty 50 riding a bullish wave, fueled by GST reforms and banking strength, surprises await! Maruti Suzuki skyrocketed 8.87%, but can it sustain?
The Indian stock market has been a rollercoaster in 2025, with the Sensex, Nifty 50, and Bank Nifty indices navigating global economic cues, domestic policy shifts, and sector-specific developments. As we head into Thursday, August 21, 2025, traders and investors are keenly observing support and resistance levels, top gainers and losers, and stocks to watch for informed decision-making. This comprehensive blog post provides an in-depth analysis of the Indian stock market, incorporating the latest news, technical analysis, Nifty and Bank Nifty predictions, and a detailed breakdown of top performers and stocks to watch to optimize your trading strategy.
Indian Stock Market Outlook for August 21, 2025
The Indian equity market has shown resilience despite global volatility, driven by factors like U.S. Federal Reserve policies, geopolitical tensions, and domestic consumption themes. On August 20, 2025, the Sensex surged 676 points to close at 81,273.75, up 0.84%, while the Nifty 50 rose 245.65 points (1.0%) to 24,876.95, fueled by gains in auto and financial sectors. The Bank Nifty index also rallied, closing at 55,734.9, with near-term support at 55,381 and resistance at 56,089.
Latest news indicates a positive start for August 21, with GIFT Nifty signaling a bullish opening. However, global cues, including a four-day losing streak in the S&P 500 and anticipation of U.S. Federal Reserve Chair Jerome Powell’s speech, could influence sentiment. Domestically, hopes of GST reforms boosting consumption continue to drive optimism, particularly in auto and financial sectors.
Key Factors Influencing the Market
- Global Cues: U.S. markets’ performance and Powell’s speech could sway emerging markets like India.
- GST Reforms: Expectations of rationalized GST rates are boosting consumer-driven sectors.
- Sectoral Trends: Auto and financial stocks are leading, while IT and select FMCG stocks face profit booking.
- Technical Indicators: RSI and moving averages suggest cautious optimism, with Nifty showing potential for a breakout above 25,000.
Technical Analysis: Support and Resistance Levels
Nifty 50
The Nifty 50 is in a positive trend, with a recent close at 24,876.95. Technical indicators suggest:
- Support Levels: 24,715 (near-term), 24,615 (secondary), and 24,300 (strong support). A breach below 24,300 could trigger bearish momentum.
- Resistance Levels: 25,038 (immediate), 25,138 (secondary), and 25,200 (key hurdle). A breakout above 25,200 could target 25,250–25,650.
- RSI: Crossed 50, indicating building bullish momentum.
- Prediction: If Nifty sustains above 25,000, expect upside toward 25,250. A failure to hold 24,715 could lead to consolidation or a dip to 24,300.
Bank Nifty
The Bank Nifty index, closing at 55,734.9, remains bullish but faces resistance at higher levels:
- Support Levels: 55,381 (immediate), 55,162 (secondary), and 49,476 (medium-term).
- Resistance Levels: 56,089 (immediate), 56,308 (secondary). A close above 56,000 could push it toward 57,669 highs seen earlier in 2025.
- RSI: Low RSI supports short-term rallies despite a medium-term bearish trend.
- Prediction: Bank Nifty may test 56,000 if banking stocks maintain momentum. A fall below 55,381 could lead to consolidation around 55,162.
Sensex
The Sensex closed at 81,273.75, up 0.84%, driven by consumer goods and finance sectors.
- Support Levels: 80,857 (immediate), 80,449 (secondary).
- Resistance Levels: 81,644 (immediate), 82,500 (key resistance).
- Prediction: A sustained move above 81,644 could target 82,500, while a close below 80,857 may signal a pullback.
Top 10 Gainers and Losers: Nifty 50 (August 20, 2025)
The following table highlights the top 10 gainers and losers in the Nifty 50 index based on the latest data from August 20, 2025:
| Stock | Sector | % Change |
| Maruti Suzuki | Auto | +8.87% |
| Hero MotoCorp | Auto | +5.99% |
| Bajaj Finance | Financial | +5.10% |
| Bajaj Auto | Auto | +4.49% |
| HDFC AMC | Financial | +4.17% |
| Cholamandalam Fin. | Financial | +4.06% |
| Infosys | IT | +3.90% |
| TCS | IT | +2.60% |
| Nestle India | FMCG | +2.60% |
| Hindustan Unilever | FMCG | +2.40% |
| Stock | Sector | % Change |
| Bharat Electronics | Defence | -2.20% |
| Shriram Finance | Financial | -1.60% |
| Bajaj Finserv | Financial | -1.60% |
| Tata Motors | Auto | -1.50% |
| IndusInd Bank | Banking | -1.40% |
| Jio Financial | Financial | -1.20% |
| Hindalco | Metals | -1.10% |
| Trent | Retail | -1.00% |
| ITC | FMCG | -0.90% |
| NTPC | Power | -0.90% |
Analysis of Gainers and Losers
- Gainers: The auto sector led with Maruti Suzuki (+8.87%) and Hero MotoCorp (+5.99%), driven by optimism around GST reforms boosting domestic consumption. Financial stocks like Bajaj Finance (+5.10%) and HDFC AMC (+4.17%) also performed strongly, reflecting positive sentiment in the financial services sector.
- Losers: IT stocks like Tech Mahindra (-1.09%) and power stocks like NTPC (-0.90%) faced profit booking, while State Bank of India (-0.04%) was the sole banking loser, indicating selective weakness.
Top Stocks to Watch on August 21, 2025
Here’s a detailed analysis of top stocks to watch based on recent performance, technical indicators, and market sentiment:
1. Maruti Suzuki (NSE: MARUTI)
- Sector: Auto
- Recent Performance: Gained 8.87% on August 20, closing at 14,221.00, the highest-priced Nifty 50 component.
- Why Watch: Strong domestic demand and GST reform hopes are driving auto sector momentum. Technical indicators show bullish patterns, with RSI above 50 and potential to test 14,500 if it sustains above 14,200.
- Trading Strategy: Buy on dips near 14,000 with a stop-loss at 13,800. Target 14,500–14,700.
2. Bajaj Finance (NSE: BAJFINANCE)
- Sector: Financial Services
- Recent Performance: Up 5.10% on August 20, with a year-to-date gain of 33.56%, making it the best-performing Nifty 50 stock.
- Why Watch: Strong earnings and positive sentiment in financial services make it a leader. Resistance at 9,000; support at 8,600.
- Trading Strategy: Buy above 8,850 with a stop-loss at 8,600. Target 9,200 in the short term.
3. HDFC Bank (NSE: HDFCBANK)
- Sector: Banking
- Recent Performance: Modest gain of 0.70% on August 20, with a market cap of 175.41B INR.
- Why Watch: As a heavyweight in Nifty and Bank Nifty, its stability anchors the banking sector. Support at 1,700; resistance at 1,800.
- Trading Strategy: Accumulate near 1,720 with a stop-loss at 1,700. Target 1,850 if Bank Nifty breaks 56,000.
4. Hero MotoCorp (NSE: HEROMOTOCO)
- Sector: Auto
- Recent Performance: Up 5.99% on August 20, driven by consumption themes.
- Why Watch: Strong rural demand and positive auto sector sentiment. Support at 5,300; resistance at 5,600.
- Trading Strategy: Buy on pullbacks to 5,350 with a stop-loss at 5,300. Target 5,700.
5. Tech Mahindra (NSE: TECHM)
- Sector: IT
- Recent Performance: Down 1.09% on August 20, reflecting IT sector weakness.
- Why Watch: Potential for a reversal if global tech sentiment improves. Support at 1,500; resistance at 1,600.
- Trading Strategy: Wait for a breakout above 1,600 or buy on dips near 1,500 with a stop-loss at 1,480.
6. Tata Steel (NSE: TATASTEEL)
- Sector: Metal
- Recent Performance: Among top gainers in recent sessions, supported by rising metal prices.
- Why Watch: Global commodity trends and domestic infrastructure demand make it a key pick. Support at 150; resistance at 160.
- Trading Strategy: Buy above 155 with a stop-loss at 150. Target 165–170.
7. Reliance Industries (NSE: RELIANCE)
- Sector: Conglomerate
- Recent Performance: Up 0.74% on August 20, with a market cap of 220.55B INR.
- Why Watch: As a Nifty heavyweight, its movement influences the index. Support at 2,900; resistance at 3,000.
- Trading Strategy: Buy near 2,950 with a stop-loss at 2,900. Target 3,050 if Nifty breaks 25,200.
8. Apollo Hospitals (NSE: APOLLOHOSP)
- Sector: Healthcare
- Recent Performance: Among top gainers on August 12, with strong Q1 earnings.
- Why Watch: Healthcare sector resilience and positive earnings momentum. Support at 6,500; resistance at 6,800.
- Trading Strategy: Buy on dips to 6,600 with a stop-loss at 6,500. Target 6,900.
9. IndusInd Bank (NSE: INDUSINDBK)
- Sector: Banking
- Recent Performance: Up 2.31% on August 20 but down 42.94% year-to-date, the weakest Nifty 50 component.
- Why Watch: Potential for a tactical rally despite long-term weakness. Support at 1,300; resistance at 1,400.
- Trading Strategy: High-risk buy near 1,320 with a stop-loss at 1,300. Target 1,450.
10. Titan Company (NSE: TITAN)
- Sector: Consumer Durables
- Recent Performance: Among top gainers in recent sessions, with expected 16% revenue growth.
- Why Watch: Strong urban consumption and festive season demand. Support at 3,400; resistance at 3,600.
- Trading Strategy: Buy above 3,500 with a stop-loss at 3,400. Target 3,700.
Nifty and Bank Nifty Predictions for August 21, 2025
- Bullish Case: If Nifty sustains above 25,000, it could rally toward 25,250–25,650, driven by auto and financial stocks. Positive global cues and GST reform optimism will be key.
- Bearish Case: A failure to hold 24,715 could lead to consolidation around 24,615 or a deeper correction to 24,300 if selling pressure intensifies.
- Intraday Levels: Resistance at 25,038/25,138; support at 24,715/24,615.
- Bullish Case: A close above 56,000 could push Bank Nifty toward 56,308 or higher, supported by banking heavyweights like HDFC Bank and ICICI Bank.
- Bearish Case: A drop below 55,381 may lead to consolidation near 55,162 or a deeper correction to 49,476 if bearish momentum builds.
- Intraday Levels: Resistance at 56,089/56,308; support at 55,381/55,162.
Trading Strategies for August 21, 2025
- Intraday Trading:
- Focus on breakout stocks like Maruti Suzuki and Bajaj Finance if they sustain above resistance levels.
- Use support levels for buying dips in HDFC Bank and Tata Steel.
- Set tight stop-losses to manage volatility from global cues.
- Swing Trading:
- Accumulate Hero MotoCorp and Titan on pullbacks for 1–2 week horizons.
- Monitor Tech Mahindra for a reversal above 1,600.
- Risk Management:
- Avoid over-leveraging due to potential volatility from U.S. Fed cues.
- Use trailing stop-losses for trending stocks like Bajaj Finance.
Sectoral Outlook
- Auto: Strong momentum due to GST reform hopes. Watch Maruti Suzuki, Hero MotoCorp, and Bajaj Auto.
- Financial Services: Resilient with Bajaj Finance and HDFC AMC leading. Banking stocks like HDFC Bank and ICICI Bank remain stable.
- IT: Weakness persists; avoid aggressive bets on Tech Mahindra unless a reversal is confirmed.
- Metals: Positive commodity trends support Tata Steel.
- Healthcare: Apollo Hospitals is a safe bet amid market volatility.
Final Thought
The Indian stock market on August 21, 2025, is poised for a positive start, with Nifty 50 and Bank Nifty showing bullish tendencies. Support and resistance levels will guide intraday and swing trading strategies, while top gainers like Maruti Suzuki and Bajaj Finance and stocks to watch like HDFC Bank and Tata Steel offer opportunities. Stay cautious of global cues, particularly U.S. Fed developments, and align trades with technical levels and sectoral trends. For real-time updates, follow platforms like Moneycontrol and NSE India.
Disclaimer: Investing in the stock market involves risks. Always conduct thorough research and consult a financial advisor before making investment decisions.
